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Finding the Fourth Proportional to 39,884.08, 59,822.52 and 12,182.08

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Solution

The fourth proportional to 39,884.08, 59,822.52 and 12,182.08 is: 18,272.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,884.08 : 59,822.52 = 12,182.08 : x
  2. Step 2: Convert to fraction form
    39,884.08/59,822.52 = 12,182.08/x
  3. Step 3: Cross multiply
    39,884.08x = 59,822.52 × 12,182.08
  4. Step 4: Simplify right side
    39,884.08x = 728,762,724.44
  5. Step 5: Solve for x
    x = 728,762,724.44/39,884.08
  6. Step 6: Final answer
    x = 18,272.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.